1. Analyze again, it can be due to local congestion. Proceed with step2 if it's not working.
2. It can be the reason that the client app's port 41011 is occupied by other process and can be verified by the DOS order netstate -ano | findstr "41011" as the picture shows as below. The port can be released by rebooting the PC. Analyze again after the rebooting.
Report this error to the online customer service on
www.renderbus.com if it's not working, they will contact the R&D department to fix it.